Roman glazed inkwells from the “Nuovo Mercato di Testaccio” (Rome, Italy): Production technology

Vito, Caterina De; Medeghini, Laura; Mignardi, Silvano; Coletti, Fulvio; Contino, Alessia

doi:10.1016/j.jeurceramsoc.2016.11.044

Cited by 16 publications

(3 citation statements)

References 26 publications

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“…gehlenite; Ca 2 Al [AlSiO 7 ]) and diopside (CaMgSi 2 O 6 ) are transitional phases formed at high temperature (≥700°C) (Maniatis et al , 1983; El-Ouahabi et al , 2015). Gehlenite forms by grain boundary reaction between CaO, Al 2 O 3 and SiO 2 (Rathossi et al 2010; De Vito et al , 2014, 2016). It crystallizes preferentially in comparison with other anhydrous Ca–Al silicates (Goldsmith, 1953).…”

Section: Resultsmentioning

confidence: 99%

Mineralogical and geochemical characterization of archaeological ceramics from the 16th century El Badi Palace, Morocco

et al. 2018

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Textural, mineralogical and chemical characterization of archaeological ceramics (zellige) from El Badi Palace (Marrakech, Morocco), the main Islamic monument from the Saadian period (sixteenth century), has been performed to enhance restoration and to determine the technology of manufacturing. A multi-analytical approach based on optical and scanning electron microscopy, cathodoluminescence, X-ray fluorescence and X-ray diffraction was used. Re-firing tests on ceramic supports were also performed to determine the firing temperatures used by the Saadian artisans. A calcareous clay raw material was used to manufacture these decorative ceramics. The sherds were fired at a maximum temperature of 800°C in oxidizing atmosphere. The low firing temperature for ‘zellige’ facilitates cutting of the pieces, but also causes fragility in these materials due to the absence of vitreous phases.

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Section: Resultsmentioning

confidence: 99%

Mineralogical and geochemical characterization of archaeological ceramics from the 16th century El Badi Palace, Morocco

et al. 2018

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“…gehlenite; Ca 2 Al[AlSiO 7 ]) and diopside (CaMgSi 2 O 6 ) are transitional phases formed at high temperature (!700 °C) [8,9]. Gehlenite forms by grain boundary reaction between CaO, Al 2 O3 and SiO 2 [10][11][12]. It crystallizes preferentially in comparison with other anhydrous Ca-Al silicates [13].…”

Section: Mineralogical and Chemical Composition Of The Shardsmentioning

confidence: 99%

Characterisation of archaeological ceramics from Saadian Tombs (16th century) of Marrakech Morocco

Halim

Daoudi

Ouahabi

et al. 2022

Materials Today: Proceedings

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“…[14][15][16] Electron microscopy is a suitable technique for the characterization of glaze microstructure and the glaze-ceramic body interface, as well as the occurrence of crystalline phases, their size, shape and chemical composition, and the presence of colouring agents. [11,12,[17][18][19][20] Hence, the combination of both analytical methods has become the standard approach to understand the production technology of glazed ceramics.…”

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confidence: 99%

Glaze characterization of the glazed pottery from the medieval workshop of Vega (Burgos, Spain)

Alonso‐Olazabal

Ortega

Zuluaga

et al. 2022

J Raman Spectroscopy

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Sixteen glazes on medieval (14th–16th century AD) pottery fragments from Vega pottery workshop (Burgos, Spain) were characterized to investigate the production technology. To this end, Raman spectroscopy and scanning electron microscopy coupled with energy dispersive X‐ray spectroscopy (SEM‐EDX) were used. The studied glaze samples correspond to fragments of high‐quality glazed ware used by the wealthiest society in the city of Burgos. The most representative types of glazes, corresponding to honey‐marble, honey‐yellow, bright light green, and dark green types, were analysed. Raman spectroscopy shows lead was used as a fluxing agent in glaze production. SEM‐EDX analysis confirms the use of lead oxide and evidences that most of the samples underwent at least two firing processes. No Raman signals of crystalline phases were detected on either glaze surfaces or glaze thin‐sections. The exception is the single firing of dark green glazes, which show pseudobrookite and rutile at the clay body/glaze interface measured in thin section. No colouring crystalline phases were identified by Raman spectroscopy either. However, SEM‐EDX shows iron was the most‐used colouring agent whereas copper was used for bright light green glazes. The polymerization index (Ip) values were used to estimate the firing temperatures. The polymerization index values are typically low for lead glazes and indicate firing temperatures below 700°C.

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Roman glazed inkwells from the “Nuovo Mercato di Testaccio” (Rome, Italy): Production technology

Cited by 16 publications

References 26 publications

Mineralogical and geochemical characterization of archaeological ceramics from the 16th century El Badi Palace, Morocco

Mineralogical and geochemical characterization of archaeological ceramics from the 16th century El Badi Palace, Morocco

Characterisation of archaeological ceramics from Saadian Tombs (16th century) of Marrakech Morocco

Glaze characterization of the glazed pottery from the medieval workshop of Vega (Burgos, Spain)

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